Full Details from Amazon.com : http://www.amazon.com/gp/product/B00C8VWB88?tag=onigi-20
Kipling Alcatraz II Wheeled Backpack with Laptop Protection (Black)
Interior pouch accommodates 15 laptop with Velcro closure
Retractable multistage wheel handle with blocking button
1 front zippered pocket with mesh-lined interior pouch pocket
Two side zipped pockets extra-large open back pouch pocket Hide-away padded backpack straps for comfortable carrying when not being rolled
Flap cover top has 1 zipped pocket with buckle closure for extra security